Canada is going to be hungry as heck because they got beaten by the Czechs earlier. USA is playing for the top spot in the group. For a more nuanced preview, check out Chris Peters' excellent preview at United States of Hockey. If you prefer the Canadian-slanted coverage, tsn is out there.
Winner of today's game likely faces Finland, loser likely faces Russia.
You can watch the game on NHL.com or NHL Network...or right here: